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Missfire ??

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Old Dec 24, 2005 | 09:18 PM
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Question Missfire ??

i have a 95 explorer xlt 4x4 V6 4.0


I changed my my oil ,filter, sparkplugs, and sparkplug wires today when i started it up the engine was "shakey" not stalling i noticed i accedently broke the egr hose but i quickly replaced it but still shakey then it became night so it was dark and i noticed i got a spark plug arcin out around the plug so i changed that plug still the same thing ne ideas ????
 
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Old Dec 25, 2005 | 02:34 AM
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Are you sure you have the firing order correct? also, did you check the gap of each plug before you installed them?
 
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Old Dec 25, 2005 | 05:34 AM
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Originally Posted by marragtop
Are you sure you have the firing order correct? also, did you check the gap of each plug before you installed them?
yea i gaped then and i did the plugs one at a time and it wasnt a problem before ...
 
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Old Dec 25, 2005 | 07:00 AM
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If you are sure the plugs and wires are on correctly, then check for vacuum leaks. Maybe you knocked a line off. Check around the vacuum tree on the drivers side by the firewall.
 
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Old Dec 25, 2005 | 08:33 AM
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Originally Posted by marragtop
If you are sure the plugs and wires are on correctly, then check for vacuum leaks. Maybe you knocked a line off. Check around the vacuum tree on the drivers side by the firewall.
no problems there ..... ne other ideas ??? the arc is around the hole where the plug goes in
 
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Old Dec 25, 2005 | 09:14 AM
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Can you change the wire with another one and see if the arc moves?
 
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Old Dec 25, 2005 | 02:34 PM
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Did you use the dielectric sealant grease on the plug boots? Are you sure that the wire that's arcing is snapped onto the terminal of the plug (metal to metal)? Sounds like a bad connection or a bad wire.
 
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Old Dec 25, 2005 | 02:59 PM
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Talking

THANK YOU EVERYONE FOR YOUR HELP
I found the problem on the 95 exp the 6 cylender the angle is hard to get in so by putting it in i broke the spark plug seal and did it again when i tried the secound plug (its invisible to the eye) so i changes it using the plug socket and a wrench (my mechanic new all this over the phone !) so its running good again THANKS again
 
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